Expansion of x*(1 - x - x^3)/((1 - x)*(1 - 2*x - 3*x^2 - 2*x^3 - x^4)).

Terms

a(0) =0a(1) =1a(2) =2a(3) =7a(4) =21a(5) =67a(6) =212a(7) =673a(8) =2136a(9) =6781a(10) =21527a(11) =68341a(12) =216960a(13) =688777a(14) =2186642a(15) =6941875a(16) =22038189a(17) =69964063a(18) =222113084a(19) =705136609a(20) =2238578784a(21) =7106757625a(22) =22561637903a(23) =71625842857a(24) =227388693456a(25) =721884948913